Bentone BG 400-2 LME22 512 VPS UV 60Hz User manual

Brand: Bentone

Model: BG 400-2 LME22 512 VPS UV 60Hz

Type: User manual

Providing sustainable energy solutions worldwide

178 035 74-7 CR00635 2023-07-05

Translation of the original instructions.

Installation- and maintenance instruction

BG 400-2 Biogas

LME22.232C2E

DMV-DLE 512

MVD 215/5

FRS 515

VPS 504

60Hz

2Bentone

example Beispielexempel

352011030141

Designation

Type

Model

Serial no.

Motor supply

Main supply

MADE IN SWEDEN BY

LIGHT OIL 35-90kW 1,25-6,0 cSt 7-14bar

BF 1 KS 76-24

BF 1

BF 1 KS 76-24

1234567

1~230V 1,0A 50Hz IP 20

Man.Year 2019

Cap. Min-Max

-sv

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-en

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download or scan QR-code.

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3 Bentone

Table of contents

1. General Information ............................................................4

1.1 Delivery inspection........................................................................ 4

1.2 Safety ............................................................................................... 4

1.3 What to do if you smell gas ......................................................... 5

2. Technical data .......................................................................6

2.1 Dimensions BG 400-2 .................................................................. 6

2.2 Capacity range ............................................................................... 7

2.3 Gas categories, approved gases ................................................ 7

2.4 Technicalspecication ................................................................. 7

2.5 Workingeld .................................................................................. 8

2.6 Components ................................................................................... 9

2.7 Skeleton diagram 2-stage burner, Biogas ..............................10

2.8 Adjusting the gas train ...............................................................11

3. Electric equipment ............................................................. 12

3.1 Safety system .............................................................................. 12

3.2 Wiring diagram ............................................................................ 12

3.3 Function LME... ............................................................................ 13

3.4 Control program at faults; fault mode indicator LME .... .... 14

4. Installation ..........................................................................16

4.1 General instructions ................................................................... 16

4.2 Instructions .................................................................................. 16

4.3 Inspection and maintenance .................................................... 16

4.4 Preparation for assembly ......................................................... 16

4.5 Gas supply .................................................................................... 16

4.6 Electric connection ..................................................................... 16

5. Mounting ............................................................................17

5.1 Gas nozzle.....................................................................................18

5.2 De-aerating ...................................................................................19

5.3 Tightness control ........................................................................19

5.4 Calculationofgasow .............................................................. 20

6. Settings ...............................................................................21

6.1 Brake plate adjustment .............................................................21

6.2 Control of burner head ..............................................................21

6.3 Startup ........................................................................................... 21

6.4 Control of combustion .............................................................. 21

6.5 Settingtheairpressureswitch ................................................ 22

6.6 Settingthegaspressureswitchmin ....................................... 23

6.7 Settings Damper motor, 2-stage ............................................. 24

7. Double Solenoid Valve DMV-DLE ......................................25

7.1 Technical data .............................................................................. 25

7.2 DMV-DLE 512-520/11 ................................................................. 26

7.3 DMV-DLE 525/11 ......................................................................... 26

8. Gas solenoid valve MVD 210/5 / MVD 215/5 ...................28

9. Gas pressure regulator .....................................................30

10. Leakage control VPS 504 .................................................. 32

10.1 Technical data .............................................................................. 32

10.2 Program sequence ..................................................................... 32

10.3 Electrical connection ................................................................. 33

11. Service .................................................................................34

11.1 Burner Service Schedule, Gas .................................................. 34

11.2 Component replacement intervals ..........................................34

11.3 Combustion device ..................................................................... 35

11.4 Air damper ................................................................................... 36

11.5 Replacement, Damper motor air ............................................. 37

11.6 Fan ................................................................................................. 38

11.7 Replacement of electrical components .................................. 39

11.8 Vibrations ......................................................................................40

11.9 Controlofamemonitoringandionizationcurrent ........... 41

12. Handing over of the installation ......................................43

13. Troubleshooting ................................................................. 44

14. Service- and inspection protocol .....................................46

4Bentone

172 515 01-2 2021-10-05

1. General Information

The burner may only be used for its intended purpose in accordance with the

product’s technical data.

We reserve the right to make design changes and cannot be held liable for any

misprints or typographical errors.

Modifying the design or using accessories or components that have not been

approved by Enertech in writing is strictly prohibited.

This Installation and Maintenance manual:

• is to be regarded as part of the burner and must always be kept near

the installation site.

• must be read prior to installation.

• is intended for use by authorised personnel.

1.1 Delivery inspection

• Make sure everything is delivered and the goods have not been

damaged during transit. Transport damage should be reported to the

shipping company.

• If something is wrong with a delivery, report it to the supplier.

1.2 Safety

- before installation:

• Installation and work on the burner and associated system

components may only be carried out by persons who have undergone

relevant training.

• The product is packaged to prevent damage from occurring when

handled – Handle the product with care! Lifting equipment must be

used to lift larger packages.

• The products must be transported/stored on a level surface in a dry

environment, max. 80% relative humidity, no condensation.

Temperature -20 to +60 °C.

- installation:

• The burner must be installed in accordance with local regulations for

re safety, electrical safety, and fuel distribution.

• The premises must comply with local regulations pertaining to use of

the burner and must have adequate air supply.

• The installation site must be free of chemicals.

• Fire extinguisher with Class BE recommended.

• Make sure when installing the burner that there is enough space to

service the burner.

• The electrical installation must be professionally carried out in

accordance with current mains electricity regulations and in a

professional manner.

• Make sure that the burner is suitable for the application (see Technical

Data).

• All components must be installed without being bent, twisted or

subjected to mechanical or thermal forces that affect components.

5 Bentone

• Care must be taken by the installer to ensure that no electrical cables

or fuel lines are pinched or otherwise damaged during installation or

service.

• Sharp edges can occur on, for example: ame tube, fan wheel and air

damper.

• The gas outlet from the pressure regulator must be congured in

accordance with applicable regulations and lead to a safe area.

- before rst start:

• The burner must not be put into operation without proper safety and

protection devices.

• Permitted ambient temperature during operation -10 to +60 °C. Max.

80% relative humidity, no condensation.

• The surface temperature of the burner’s components may exceed

60 °C.

• Handle with caution – the burner has moving parts, and there is risk

of crushing injuries.

• Seal inspections must be performed during installation and servicing

to prevent leakage.

• Fitting and installation work has been completed and approved.

• Electrical installation has been correctly performed.

• Flue gas ducts and combustion air ducts are not blocked.

• All actuators and control and safety devices are in working order and

correctly set.

• If the boiler is equipped with an access hatch, this must be equipped

with a hatch opening switch connected to the burner’s safety system.

• When in operation, the burner’s noise level can exceed 85 dBA – use

hearing protection!

- operation:

• Carry out all stipulated settings, service and inspection work within

the set time.

1.3 What to do if you smell gas

• Turn off the fuel supply.

• Turn off the device and remove the boiler from operation.

• Open windows and doors.

• Prevent open ames or sparking, e.g. do not turn lights on or off, do

not use any electrical appliances or mobile phones.

• Evacuate the building.

• Notify the installer or gas supplier of the problem so that it can be

rectied.

6Bentone

2. Technical data

The burner is intended for:

• Operation in installations according to EN 303 and EN 676.

Fuels:

• Natural gas H, E, L, LL.

• LPG, Butane and Propane.

• Dry biogas max 0.1 Vol% H2S and min 50% CH4.

2.1 Dimensions BG 400-2

172 535 44-2 2023-07-05

Length of

ame tube

Flame tube

measure A

Flame tube

measure B

Flame tube

measure C

172 155 ø140 ø110

272 255 ø140 ø110

* The above dimensions are max. measurements. Depending on the components used, the measurements may vary.

** Min. recommended distance to oor.

K L M

12 ø175-240 ø145 (***115)

D E F G H I J

100 410 250 *410 192 *506 **200

***Dimensions when installing ame tube from the inside of the boiler.

2.1.1 Measurements for connection to the boiler

øC

A D

øB

**J

160303-622

7 Bentone

2.3 Gas categories, approved gases

Components are approved for dry biogas with a maximum content of 0.1% H2S.

2.2 Capacity range

BG 400-2

G20 61 - 325 6.5 34.4 200

G25 61 - 310 7.5 38.1 200

G30 75 - 340 2.3 10.5 200

G31 75 - 350 3.1 14.3 200

61 - 250 10.2 41.7 200

160303-627-2

Capacity

Gas quantity

at min. power

Nm3/h

Gas quantity

at max. power

Nm3/h

Max.

connection

pressure mbar

Min

connection

pressure mbar

See data plate.

Biogas

Gas quantity and capacity vary according to grade of gas and connection pressure.

Category Country of destination Supply pressure

II2R3R AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE,

IS, IT, LT, LU, LV, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, TR 20 mbar

II2H3B/P AT, CH, CY, DK, FI, LT, RO, SE, SK 20 mbar

II2H3P GB, IE 20 mbar

II2L3B/P RO 20 mbar

II2E3B/P PL 20 mbar

I2E(R)B BE 20 mbar

I3P BE 20 mbar

II2EK3B/P NL 20 mbar

160302-223-4

2.4 Technical specication

Measurements according to EN 15036-1:2006

Alt.1 The noise level of the burner can be reduced by equipping the burner with

silencer. Installation must be done so it does not prevent air supply to the

burner.

Alt.2 The burner’s noise level can be reduced by connecting the burner’s air

intake to the air duct that opens into an appropriate location. Installation

must be done so it does not prevent air supply to the burner.

BG 400-2

Main supply 230V, 1~, 2.2A, 60Hz, IP20

Max fuse rating 6.3A

NOX-class 2 G20, G25 / 3 G30, G31

Noise level 89dBA

8Bentone

!Do not exceed working

eld.

2.5 Working eld

Biogas

-1

50 100 150 200 250 300 350

mbar

G20 61-325 kW

G25 61-310 kW

160302-579-2

-1

50 100 150 200 250

mbar

61-250 kW

160303-619

-1

50 100 150 200 250 300 350

mbar

G30 75-340 kW

G31 75-350 kW

160302-788

Natural gas, LPG, Butane and Propane

9 Bentone

2.6 Components

1. Switch 0-I

2. Switch I-II

3. Cover, inspection glass

4. Reset button

5. Air pressure switch

6. Damper motor

7. Nozzle control

8. Flame tube

9. Gas valve

10. Connection, gas ttings

11. Air damper

12. Air intake

13. Gas pressure switch, Min.

14. Burner control

15. Fan wheel

16. Electrical connection

17. Motor

18. Ignition electrode

19. Transformer

20. Ionization electrode

21. Nozzle

22. Brake plate

23. Indication lamp, Stage I

24. Indication lamp, Stage II

160303-626

160303-625

1 2

23 24

10 Bentone

172 515 72-2

2.7 Skeleton diagram 2-stage burner, Biogas

Gas train

1. Ball valve

2. Filter

3. Pressure regulator

4. Pressure outlet

5. Gas valve

6. Leakage control (VPS)

7. Safety valve on-off

8. Gas pressure switch

Pe Pressure before valve

Pa Pressure between valves

Adjusting points:

a. Main ow restrictor stage 2

(max load)

b. Gas pressure adjustment

c. Main ow restrictor stage 1

(min load)

d. Hydraulic brake stage 1 to 2

5 6 73

Pe Pa

a bd

11 Bentone

2.8 Adjusting the gas train

The burner is test run with propane before delivery.

The safety valve (7) must be fully open during operation. At initial setting, the

adjusting screw (c) must have lifted the valve for stage 1 by 1-2 turns.

On start-up, safety valve (7) and valve on double solenoid valve (5) open, gas

ows through the valve for stage 1.

When the burner has started on stage 1, proceed to stage 2 and start adjusting

this stage rst. When stage 2 is complete, adjust stage 1.

Adjustment of stage 2 is done with adjusting screw (a) on the double solenoid

valve (5) which regulates the opening of the valve controlling the gas for

stage 2. The burner is now receiving gas for maximum load, adjust the power

on stage 2 to the desired load and set the air damper for stage 2 and nozzle

assembly for a good combustion.

The power is adjusted for stage 2 by adjusting the opening of valve 1 with the

adjusting screw (a) and the gas pressure is adjusted on the pressure regulator

screw (b). The air damper and nozzle assembly shall also be adjusted to obtain

the correct air volume and good combustion.

Adjustment of stage 1 on the burner is done when stage 2 is complete, adjust

the stage 1 valve on the double solenoid valve (5) using the adjusting screw (c).

If this is screwed in, the gas ow to the burner is increased by lifting the valve.

This valve is always open and this opening is what gives the min-load. Adjust

the air damper for stage 1 for good combustion.

12 Bentone

3. Electric equipment

3.1 Safety system

The safety system (safety switch for hatches, doors, water level, pressure,

temperature and other safety devices) must be installed in the safety circuit in

accordance with current regulations for the system.

The cables of the safety system must be separated so that the outgoing signal

is not placed in the same cable as the incoming signal.

3.2 Wiring diagram

172 615 31-2 2022-11-28

E106020

Bn Brown

Bu Blue

Gn Green

Ye Yellow

Gn/Ye Green/Yellow

Bk Black

Gy Grey

Rd Red

Wh White

Og Orange

Vt Violet

13 Bentone

3.2.1 Components

A1 Burner control

A3 Leakage control, VPS 504

F1 Operating fuse

H1 Lamp, low capacity

H2 Lamp, high capacity

H3 Alarm signal 230V

M1 Motor

M2 Damper motor

P1 Time meter, total operating

time

P2 Time meter, high capacity,

total operating time

Q1 Signal amplier AGQ

R1 UV-Detector

S1 Operating switch

S2 Operating switch, stage 2

S3 Control thermostat

S4 Temperature limiter

S5 Micro switch for hinged door

S6 Control thermostat, stage 2

S7 Main switch

S8 Air pressure switch

S9 Gas pressure switch

T1 Ignition transformer

X1 Connection terminal board

X2 Earth terminal

X3 Plug-in contact, burner

X4 Plug-in contact, boiler

X5 Plug-in contact, stage 2,

burner

X6 Plug-in contact, stage 2, boiler

Y1 Gas solenoid valve 1

Y2 Gas solenoid valve 2

Y3 Safety solenoid valve

3.3 Function LME...

1. Operating switch ON-Thermostat ON-Gas pressure switch ON

A check that the air pressure switch does not indicate fan pressure is

carried out.

2. Burner motor starts

A check that the air pressure switch indicates sucient fan pressure is

carried out.

3. The ignition spark is created

4. The gas solenoid valve is open

The gas is ignited. The ionisation electrode now indicates a ame.

5. The safety time expires

The ignition spark ceases. The safety period ceases. If the spark is missing

or it disappears after this time limit, the gas burner control is blocked.

6. Operating position

7. Stop

The operation of the burner can now be stopped with the control switch or

thermostat.

If the gas burner control is blocked

Red light in the gas burner control is lit. The burner is restarted by pushing

the reset button.

3.3.1 Technical data

!Mains connection and

fuse in accordance with

local regulations.

LME22.232C2E

3 s

20 s

2.5 s

< 3 s

< 1 s

5 µA

20 µA

160303-325

Preiginition time

Prepurge time

Postignition time

Safety lockout time

Reset time after lockout

Reaction time on  ame failure

Min. ionisation current at  ame

Max. ionisation current

14 Bentone

Light period

(waiting period ≥ 10 s) Blinking code Pause Blinking codePress the

reset button > 3 s

3.4 Control program at faults; fault mode

indicator LME ....

3.4.1 Colour codes

3.4.2 Diagnosing alarm causes

After alarm disconnection, the red alarm signal light is lit continuously.

The diagnosing of the alarm cause can be read according to the following

sequence:

3.4.3 Limiting of starting repetitions

LME 11... has a function with start repetition if the ame is not created at start

or disappears during operation.. LME 11... allows max. three repetitions during

continuous starting cycle.

Table colour codes for multi-coloured signal light (LED)

Status Colour codes Colours

Waiting period «tw», other waiting periods ○………………… O

Ignition phase, ignition controlled ●○●○●○●○●○● Blinking yellow

Normal operation □………………… Green

Operation, poor ame signal □○□○□○□○□○ Blinking green

Illegal ame signal during start-up □▲□▲□▲□▲□▲ Green-Red

Undervoltage ●▲●▲●▲●▲●▲ Yellow-Red

Fault, alarm ▲………………… Red

Blinking code for fault codes ▲○ ▲○ ▲○ ▲○ Blinking red

Interface diagnostics ▲▲▲▲▲▲▲▲ Red icking

…… Continuous

○Off

▲Red

●Yellow

□Green

15 Bentone

3.4.4 Alarm code table

Red blinking code on

signal lamp (LED)

Possible causes

Blinking 2 x

••

No ame creation at End of “TSA”

–defective or fouled ame monitoring.

–defective or fouled fuel valves.

–poor burner setting.

–defective ring device.

Blinking 3 x

•••

“LP” defective

–No air pressure switch signal after “t10”.

–“LP” is welded in open position.

Blinking 4 x

••••

Illegal ame signal during start-up.

Blinking 5 x

•••••

Time out “LP”

–“LP” is welded in open position.

Blinking 6 x

••••••

Free

Blinking 7 x

•••••••

Too many ame disappearances during operation.

–poor burner setting.

–defective or fouled fuel valves.

–defective or fouled ame monitoring.

Blinking 8 x

••••••••

Free

Blinking 9 x

•••••••••

Free

Blinking 10 x

••••••••••

Connection fault or internal fault, outgoing contacts or

other faults.

Blinking 14 x

••••••••••••••

CPI contact not closed.

During the diagnosing of the alarm cause, the control outputs are voltage-

free.

• The burner is disconnected.

• Exception, alarm signal «AL» at board 10.

• Reconnection of the burner happens after resetting only.

• Press the reset button 0.5...3 s.

3.4.5 Interface diagnostics

To change to interface mode, press and hold the reset button longer than 3 s.

To go back to the normal position, press and hold the reset button longer than

3 s. If the gas burner control is in the alarm position, it is reset by pressing the

reset button 0.5...3 s.

16 Bentone

172 535 09-2

4. Installation

4.1 General instructions

Installation must be carried out in accordance with current regulations and

instructions.

The supplier/installer of the facility is obliged to familiarize himself with

all regulations so that the installation meets the requirements of the local

authorities.

Installation, assembly and settings must be performed to obtain the best

possible function. Only gas intended for the gas burner may be used.

4.2 Instructions

It is the installer’s responsibility to instruct the user in detail in the functions of

the gas burner and the entire system.

4.3 Inspection and maintenance

The system must be maintained at the interval specied in the service

schedule. If the burner is in a dirty environment, service should be done at

more frequent intervals.

4.4 Preparation for assembly

Check that the burner’s dimensions and capacity range match the current

boiler. The power information on the type plate refers to the burner model’s

min. and max. effect.

4.5 Gas supply

In order to obtain good operational safety, it is important that the installation

of the gas distribution system is carried out correctly, considering the

following:

• Check that the burner is approved for the gas quality of the

installation.

• Check that the burner gas components are approved for the specied

gas pressure, see type plate.

• Installation must be carried out in accordance with current standards.

• Pipe lines should be assembled so that service can easily be

performed on the boiler and burner.

• Pipe lines should be assembled so that any contaminants do not come

into contact with the gas components.

4.6 Electric connection

• Before work on the electrical connection, the current must be

disconnected so that the installation is isolated.

• Connection must be done in accordance with the applicable

regulations.

• Connection must conform to the wiring diagram.

!If any electrical connection other than that recommended

by Enertech is used, there is a risk of property damage and

personal injury.

17 Bentone

172 515 06-2 2022-11-28

!Check for leaks in the gas line.

5. Mounting

The burner is mounted on the boiler according to the hole pattern on the

xing ange.

1. Remove the gas valve from the burner.

2. Remove fan housing by loosening nut (A), swing out fan housing.

Disconnect ionisation and ignition cables from the electrodes.

Remove nut (B) on hinged ange and lift fan housing off.

3. Install the xing ange and the supplied gasket on the boiler. If

new mounting holes need to be drilled, use the xing ange as a

template and fasten with M8-M12 screws.

4. Check that the electrodes are correctly set, see chapter Gas

nozzle.

5. Mount the fan housing on the xing ange and fasten with nut

(B).

6. Connect the ionisation and ignition cables.

7. Fit the gas valve.

8. Connect the gas with the ball valve provided. Ensure that the pre-

screwing, ball valve and tubings are done in such a way that the

burner and boiler hatch can be easily used for servicing.

9. Connect the supply cable, operating and safety circuits.

18 Bentone

5.1 Gas nozzle

Check that the ignition and ionization electrodes are correctly set before

mounting on the boiler.

Natural gasPropan

Biogas (UV detector)

2.5

8.0

172 515 08-2 2022-11-28

19 Bentone

5.2 De-aerating

De-aerating the gas line by closing the tap to the gas connection and

unscrewing the screw on the measuring nipple for the connection pressure.

Connect a plastic hose, open the tap and drain the gas in a safe place. When

the de-aerating is completed, be sure to ret the screw on the measuring

nipple.

5.3 Tightness control

When checking for leakage, the solenoid valve must be closed. A pressure

gauge is connected to the measuring nipple ”Pa”, see picture. The test

pressure in the system must not be higher than max. connection pressure,

see data plate. If leaks are found during measurement, locate the source

using soapy water or leak detection spray. After sealing: check the tightness

of the gas xture again.

!Check the gas tightness.

20 Bentone

5.4 Calculation of gas ow

Formula symbol Description Example values

VNStandard gas volume [Nm3/h]

Gas volume at normal condition 15 °C 1013 mbar

QBoiler output [kW] 230 kW

HiLower caloric value of gas [kWh/m3]

Natural gas under normal conditions 15 °C 1013 mbar, EN 676

9.45 kWh/m3

ηBoiler eciency (e. g. 90%) 0.9

f Conversion factor (pressure and temperature compensation) -

tGas Gas temperature at gas meter [°C] 15 °C

PBaro Barometric air pressure [mbar] 945 mbar

PGas Pressure of gas at the gas meter [mbar] 20 mbar

VOperating volume [m3/h] -

VG Gas ow measured at the gas meter [m3] 0.75 m3

TMeasuring time for consumed gas quantity [s] 90 s

VN=

VN =

230 kW

=27.0 m3/h

η · Hi0.9 · 9.45 kW/m3

Calculate standard volume using the following formula:

273

PBaro + PGas

273

945 + 20

= 0.90

273 + tGas 1013 273 + 15 1013

Calculate conversion factor using the following formula:

V=VNV =

27.0 m3/h = 30.0 m3/h

f0.90

Calculate gas volume using the following formula:

3600 · VGV =

3600 · 0.75 m3

= 30.0 m3/h

T90 sek

Determine operating volume with the following formula:

Gas quality kWh/Nm3MJ/Nm3

Natural gas G20 9.5 34.02

Natural gas G25 8.2 29.25

Caloric value of the gas

172 515 07-2

Height above

sea level [m]

100

200

300

400

500

600

700

800

900

1000

1100

1200

PBaro [mbar] 1013 1001 989 977 966 954 943 932 921 910 899 888 877

Lower caloric value Hi at normal conditions 15 °C and 1013 mbar, EN 676.

For exact caloric value of the gas, contact the gas distributor.

Gas quality kWh/Nm3MJ/Nm3

Butan G30 32.25 116.09

Propan G31 24.44 88.00

Biogas 6.0 21.60

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Bentone BG 400-2 LME22 512 VPS UV 60Hz User manual

Brand: Bentone

Model: BG 400-2 LME22 512 VPS UV 60Hz

Type: User manual

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Bentone BG 400-2 LME22 512 VPS UV 60Hz User manual

Bentone BG 400-2 LME22 512 VPS UV 60Hz User manual

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